Epson AcuLaser C3000 Series User Manual page 263

The error clears automatically after you replace the unit and close
all printer covers. The transfer unit service life counter is reset
automatically.
Reset
The printer's current interface has been reset and the buffer has
been cleared. However, other interfaces are still active and retain
their settings and data.
Reset All
All printer settings have been reset to the default configuration,
or to the last settings that were saved.
Reset to Save
A control panel menu setting was changed while the printer was
printing. Press the N Start/Stop button to clear this message. The
setting will become effective after printing has finished.
ROM Check
The printer is checking the ROM.
Self Test
The printer is performing a quick internal check.
Service Req xyyyy
A controller error or a print engine error has been detected. Turn
off the printer. Wait at least 5 seconds and then turn it back on. If
the error message still appears, write down the error number
listed on the LCD panel (xyyyy) and turn off the printer, unplug
the power cord, and contact a qualified service representative.
Troubleshooting
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